Detachable thermostat knob



FIG. 1 is a front angle perspective of the thermostat knob;

FIG. 2 is a front plan view of a thermostat knob;

FIG. 3 is a rear plan view of a thermostat knob;

FIG. 4 is a side elevation view of a thermostat knob; and,

FIG. 5 is a rear perspective view of a thermostat knob. 

The ornamental design for a detachable thermostat knob, as shown and described. 